Access Charge	A charge paid by all Market Participants withdrawing Energy from the ISO Controlled Grid, as set forth in Section 7.1.  The Access Charge will recover that portion of the Participating TO’s Transmission Revenue Requirement not recovered through Transmission Revenue Credits.  A Participating TO that has no transmission customers need not develop an Access Charge.	

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TRBA (Transmission Revenue Balancing Account)	A mechanism to be established by each Participating TO that has transmission customers which will ensure that all Transmission Revenue Credits flow through to its transmission customers.	
TRR (Transmission Revenue Requirement)	The TRR is the total annual authorized revenues associated with transmission facilities turned over to the Operational Control of the ISO by a Participating TO that has transmission customers, and for which FERC jurisdictional entities are permitted to include in their Access Charges for recovery from customers, or in the case of non-FERC jurisdiction entities, the equivalent revenue amount authorized by the appropriate jurisdictional regulatory authority.